zesdex/apps/infrastructure/src/tools/utility/todowrite.rs

//! Write a TODO item.

use crate::tools::{Tool, ToolCtx};
use anyhow::Result;
use serde_json::{json, Value};

pub struct Todowrite;

impl Tool for Todowrite {
    fn name(&self) -> &'static str {
        "todowrite"
    }

    fn description(&self) -> &'static str {
        "Add an item to the TODO list"
    }

    fn parameters(&self) -> Value {
        json!({
            "type": "object",
            "properties": {
                "item": {
                    "type": "string",
                    "description": "TODO item text"
                },
                "priority": {
                    "type": "string",
                    "enum": ["high", "medium", "low"],
                    "description": "Priority level"
                }
            },
            "required": ["item"]
        })
    }

    fn run(&self, ctx: &ToolCtx, args: &Value) -> Result<String> {
        let item = crate::tools::arg_str(args, "item")?;
        let priority = args
            .get("priority")
            .and_then(|v| v.as_str())
            .unwrap_or("medium");

        let todo_line = format!("- [{}] {}\n", priority, item);
        
        let todo_path = ctx.session_dir.join("TODO.md");
        let mut content = std::fs::read_to_string(&todo_path).unwrap_or_default();
        content.push_str(&todo_line);
        
        let _ = std::fs::write(&todo_path, &content);

        if let Some(events) = &ctx.turn_events {
            let mut q = events.lock().unwrap();
            q.push_back(crate::TurnEvent::TodoUpdate(content));
        }

        Ok(format!("[{}] TODO added: {}", priority, item))
    }
}